intelligence section (G2)

Secret Intelligence Service (SIS) / Military Intelligence, Section 6 (MI6)

echoing cross-section; echoing cross section

section of control surface section

radar cross-section / radar cross section (RCS); radar signature; radar crossover

intelligence section (int sec, J2/G2/S2)

Military Intelligence, Section 5 (MI5)

Military Intelligence, Section 6 (MI6)

Security Service / Military Intelligence, Section 5 (MI5)

battalion intelligence section

tactical intelligence / combat intelligence

undeclared member of the intelligence or counter-intelligence agencies

Defence intelligence of Ukraine (DIU) / Main Directorate of Intelligence of the MoD of Ukraine

accessory section

administration section

aft section

aid man section

air and space doctrine (section of military doctrine)

air armaments section

Air defense Section (NATO IS)

Airspace Management Section (NATO IS)

ammunition section

armament section

Arms Control and Coordination Section (NATO IS)

aviation section

base section

battalion medical section

battalion mess section

centre-section

chief of section

civil affairs section (G5)

Civil Emergency Planning Section

civil military government section